Use vws-python-mock response_delay_seconds for timeout tests

Upgrade vws-python-mock to 2026.2.15 which adds response_delay_seconds
parameter. Replace unittest.mock.patch-based timeout simulation with
MockVWS(response_delay_seconds=0.5), testing the real timeout mechanism
end-to-end.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: adamtheturtle

pyproject.toml

@@ -77,7 +77,7 @@ optional-dependencies.dev = [
     "ty==0.0.14",
     "types-requests==2.32.4.20260107",
     "vulture==2.14",
-    "vws-python-mock==2025.3.10.1",
+    "vws-python-mock==2026.2.15",
     "vws-test-fixtures==2023.3.5",
     "yamlfix==1.19.1",
     "zizmor==1.22.0",

tests/test_query.py

@@ -3,7 +3,6 @@
 import io
 import uuid
 from typing import BinaryIO
-from unittest.mock import patch
 
 import pytest
 import requests
@@ -155,8 +154,7 @@ def test_timeout_raises_on_slow_response(
         image: io.BytesIO | BinaryIO,
     ) -> None:
         """A short timeout raises an error when the server is slow."""
-        custom_timeout = 0.1
-        with MockVWS() as mock:
+        with MockVWS(response_delay_seconds=0.5) as mock:
             database = VuforiaDatabase()
             mock.add_database(database=database)
             vws_client = VWS(
@@ -166,7 +164,7 @@ def test_timeout_raises_on_slow_response(
             cloud_reco_client = CloudRecoService(
                 client_access_key=database.client_access_key,
                 client_secret_key=database.client_secret_key,
-                request_timeout_seconds=custom_timeout,
+                request_timeout_seconds=0.1,
             )
 
             target_id = vws_client.add_target(
@@ -178,21 +176,7 @@ def test_timeout_raises_on_slow_response(
             )
             vws_client.wait_for_target_processed(target_id=target_id)
 
-            def slow_request(
-                **kwargs: float | None,
-            ) -> requests.Response:
-                """Simulate a server that is too slow to respond."""
-                assert kwargs["timeout"] == custom_timeout
-                raise requests.exceptions.Timeout
-
-            with (
-                patch.object(
-                    target=requests,
-                    attribute="request",
-                    side_effect=slow_request,
-                ),
-                pytest.raises(expected_exception=requests.exceptions.Timeout),
-            ):
+            with pytest.raises(expected_exception=requests.exceptions.Timeout):
                 cloud_reco_client.query(image=image)
 
 

tests/test_vws.py

@@ -6,7 +6,6 @@
 import secrets
 import uuid
 from typing import BinaryIO
-from unittest.mock import patch
 
 import pytest
 import requests
@@ -183,31 +182,16 @@ def test_timeout_raises_on_slow_response(
         image: io.BytesIO | BinaryIO,
     ) -> None:
         """A short timeout raises an error when the server is slow."""
-        custom_timeout = 0.1
-        with MockVWS() as mock:
+        with MockVWS(response_delay_seconds=0.5) as mock:
             database = VuforiaDatabase()
             mock.add_database(database=database)
             vws_client = VWS(
                 server_access_key=database.server_access_key,
                 server_secret_key=database.server_secret_key,
-                request_timeout_seconds=custom_timeout,
+                request_timeout_seconds=0.1,
             )
 
-            def slow_request(
-                **kwargs: float | None,
-            ) -> requests.Response:
-                """Simulate a server that is too slow to respond."""
-                assert kwargs["timeout"] == custom_timeout
-                raise requests.exceptions.Timeout
-
-            with (
-                patch.object(
-                    target=requests,
-                    attribute="request",
-                    side_effect=slow_request,
-                ),
-                pytest.raises(expected_exception=requests.exceptions.Timeout),
-            ):
+            with pytest.raises(expected_exception=requests.exceptions.Timeout):
                 vws_client.add_target(
                     name="x",
                     width=1,